src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2008 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtk.h>
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33
  34 #ifndef HAVE_APACHE_FNMATCH
  35 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  36  * fnmatch.h */
  37 #include <fnmatch.h>
  38 #endif
  39
  40 #include "main.h"
  41 #include "mimeview.h"
  42 #include "textview.h"
  43 #include "procmime.h"
  44 #include "summaryview.h"
  45 #include "menu.h"
  46 #include "filesel.h"
  47 #include "alertpanel.h"
  48 #include "inputdialog.h"
  49 #include "utils.h"
  50 #include "gtkutils.h"
  51 #include "prefs_common.h"
  52 #include "procheader.h"
  53 #include "stock_pixmap.h"
  54 #include "gtk/gtkvscrollbutton.h"
  55 #include "gtk/logwindow.h"
  56 #include "timing.h"
  57
  58 #ifdef MAEMO
  59 #include <libosso.h>
  60 #ifndef CHINOOK
  61 #include <osso-mime.h>
  62 #else
  63 #include <hildon-mime.h>
  64 #endif
  65 #endif
  66
  67 typedef enum
  68 {
  69         COL_MIMETYPE = 0,
  70         COL_SIZE     = 1,
  71         COL_NAME     = 2
  72 } MimeViewColumnPos;
  73
  74 #define N_MIMEVIEW_COLS 3
  75
  76 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  77                                                  MimeInfo       *mimeinfo,
  78                                                  GtkCTreeNode   *parent);
  79 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  80                                                  MimeInfo       *partinfo,
  81                                                  GtkCTreeNode   *parent);
  82 static void mimeview_show_message_part          (MimeView       *mimeview,
  83                                                  MimeInfo       *partinfo);
  84 static void mimeview_change_view_type           (MimeView       *mimeview,
  85                                                  MimeViewType    type);
  86 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  87                                                  const gchar    *basedir,
  88                                                  gint            number);
  89 static gboolean mimeview_write_part             (const gchar    *filename,
  90                                                  MimeInfo       *partinfo);
  91
  92 static void mimeview_selected           (GtkCTree       *ctree,
  93                                          GtkCTreeNode   *node,
  94                                          gint            column,
  95                                          MimeView       *mimeview);
  96 static void mimeview_start_drag         (GtkWidget      *widget,
  97                                          gint            button,
  98                                          GdkEvent       *event,
  99                                          MimeView       *mimeview);
 100 static gint mimeview_button_pressed     (GtkWidget      *widget,
 101                                          GdkEventButton *event,
 102                                          MimeView       *mimeview);
 103 static gint mimeview_key_pressed        (GtkWidget      *widget,
 104                                          GdkEventKey    *event,
 105                                          MimeView       *mimeview);
 106
 107 static void mimeview_drag_data_get      (GtkWidget        *widget,
 108                                          GdkDragContext   *drag_context,
 109                                          GtkSelectionData *selection_data,
 110                                          guint             info,
 111                                          guint             time,
 112                                          MimeView         *mimeview);
 113
 114 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 115                                          GdkEventScroll *event,
 116                                          MimeView       *mimeview);
 117 static void mimeview_display_as_text    (MimeView       *mimeview);
 118 static void mimeview_save_as            (MimeView       *mimeview);
 119 static void mimeview_save_all           (MimeView       *mimeview);
 120 static void mimeview_launch             (MimeView       *mimeview,
 121                                          MimeInfo       *partinfo);
 122 static void mimeview_open_with          (MimeView       *mimeview);
 123 static void mimeview_open_part_with     (MimeView       *mimeview,
 124                                          MimeInfo       *partinfo,
 125                                          gboolean        automatic);
 126 static void mimeview_select_next_part   (MimeView       *mimeview);
 127 static void mimeview_select_prev_part   (MimeView       *mimeview);
 128 static void mimeview_view_file          (const gchar    *filename,
 129                                          MimeInfo       *partinfo,
 130                                          const gchar    *cmd,
 131                                          MimeView       *mimeview);
 132 static gboolean icon_clicked_cb         (GtkWidget      *button,
 133                                          GdkEventButton *event,
 134                                          MimeView       *mimeview);
 135 static void icon_selected               (MimeView       *mimeview,
 136                                          gint            num,
 137                                          MimeInfo       *partinfo);
 138 static gint icon_key_pressed            (GtkWidget      *button,
 139                                          GdkEventKey    *event,
 140                                          MimeView       *mimeview);
 141 static void icon_list_append_icon       (MimeView       *mimeview,
 142                                          MimeInfo       *mimeinfo);
 143 static void icon_list_create            (MimeView       *mimeview,
 144                                          MimeInfo       *mimeinfo);
 145 static void icon_list_clear             (MimeView       *mimeview);
 146 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 147                                            MimeInfo     *mimeinfo);
 148 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 149                                     MimeView *mimeview);
 150 static gboolean part_button_pressed     (MimeView       *mimeview,
 151                                          GdkEventButton *event,
 152                                          MimeInfo       *partinfo);
 153 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 154                                          GtkAllocation  *layout_size,
 155                                          MimeView       *mimeview);
 156 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 157
 158 static void mimeview_launch_cb(MimeView *mimeview)
 159 {
 160         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 161 }
 162 static GtkItemFactoryEntry mimeview_popup_entries[] =
 163 {
 164         {N_("/_Open (l)"),                NULL, mimeview_launch_cb,       0, NULL},
 165 #ifndef MAEMO
 166         {N_("/Open _with (o)..."),        NULL, mimeview_open_with,       0, NULL},
 167 #endif
 168         {N_("/_Display as text (t)"),     NULL, mimeview_display_as_text, 0, NULL},
 169         {N_("/_Save as (y)..."),          NULL, mimeview_save_as,         0, NULL},
 170         {N_("/Save _all..."),             NULL, mimeview_save_all,        0, NULL},
 171         {N_("/Next part (a)"),            NULL, mimeview_select_next_part,0, NULL},
 172 };
 173
 174 static GtkTargetEntry mimeview_mime_types[] =
 175 {
 176         {"text/uri-list", 0, 0}
 177 };
 178
 179 GSList *mimeviewer_factories;
 180 GSList *mimeviews;
 181
 182 static GdkCursor *hand_cursor = NULL;
 183
 184 static gboolean mimeview_visi_notify(GtkWidget *widget,
 185                                        GdkEventVisibility *event,
 186                                        MimeView *mimeview)
 187 {
 188         gdk_window_set_cursor(widget->window, hand_cursor);
 189         return FALSE;
 190 }
 191
 192 static gboolean mimeview_leave_notify(GtkWidget *widget,
 193                                       GdkEventCrossing *event,
 194                                       MimeView *mimeview)
 195 {
 196         gdk_window_set_cursor(widget->window, NULL);
 197         return FALSE;
 198 }
 199
 200 static gboolean mimeview_enter_notify(GtkWidget *widget,
 201                                       GdkEventCrossing *event,
 202                                       MimeView *mimeview)
 203 {
 204         gdk_window_set_cursor(widget->window, hand_cursor);
 205         return FALSE;
 206 }
 207
 208 MimeView *mimeview_create(MainWindow *mainwin)
 209 {
 210         MimeView *mimeview;
 211
 212         GtkWidget *paned;
 213         GtkWidget *scrolledwin;
 214         GtkWidget *ctree;
 215         GtkWidget *mime_notebook;
 216         GtkWidget *popupmenu;
 217         GtkWidget *ctree_mainbox;
 218         GtkWidget *vbox;
 219         GtkWidget *mime_toggle;
 220         GtkWidget *icon_mainbox;
 221         GtkWidget *icon_scroll;
 222         GtkWidget *icon_vbox;
 223         GtkWidget *arrow;
 224         GtkWidget *scrollbutton;
 225         GtkWidget *hbox;
 226         GtkItemFactory *popupfactory;
 227         NoticeView *siginfoview;
 228         gchar *titles[N_MIMEVIEW_COLS];
 229         gint n_entries;
 230         gint i;
 231         CLAWS_TIP_DECL();
 232
 233         if (!hand_cursor)
 234                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 235
 236         debug_print("Creating MIME view...\n");
 237         mimeview = g_new0(MimeView, 1);
 238
 239         titles[COL_MIMETYPE] = _("MIME Type");
 240         titles[COL_SIZE]     = _("Size");
 241         titles[COL_NAME]     = _("Name");
 242
 243         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 244         gtk_widget_show(scrolledwin);
 245         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 246                                        GTK_POLICY_AUTOMATIC,
 247                                        GTK_POLICY_AUTOMATIC);
 248
 249         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 250         gtk_widget_show(ctree);
 251         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 252         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 253         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 254                                            GTK_JUSTIFY_RIGHT);
 255         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 256         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 257         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 258                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 259                                        GTK_CAN_FOCUS);
 260         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 261
 262         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 263                          G_CALLBACK(mimeview_selected), mimeview);
 264         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 265                          G_CALLBACK(mimeview_button_pressed), mimeview);
 266         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 267                          G_CALLBACK(mimeview_key_pressed), mimeview);
 268         g_signal_connect(G_OBJECT (ctree),"start_drag",
 269                          G_CALLBACK (mimeview_start_drag), mimeview);
 270         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 271                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 272
 273         mime_notebook = gtk_notebook_new();
 274         gtk_widget_show(mime_notebook);
 275         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 276         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 277         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 278
 279         icon_vbox = gtk_vbox_new(FALSE, 2);
 280         gtk_widget_show(icon_vbox);
 281         icon_scroll = gtk_layout_new(NULL, NULL);
 282         gtk_widget_show(icon_scroll);
 283         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 284         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 285         gtk_widget_show(scrollbutton);
 286
 287         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 288                          G_CALLBACK(mimeview_scrolled), mimeview);
 289
 290         mime_toggle = gtk_event_box_new();
 291         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 292
 293         g_signal_connect(G_OBJECT(mime_toggle), "visibility-notify-event",
 294                          G_CALLBACK(mimeview_visi_notify), mimeview);
 295         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 296                          G_CALLBACK(mimeview_visi_notify), mimeview);
 297         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 298                          G_CALLBACK(mimeview_leave_notify), mimeview);
 299         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 300                          G_CALLBACK(mimeview_enter_notify), mimeview);
 301
 302         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 303         gtk_widget_show(mime_toggle);
 304         mimeview->ctree_mode = FALSE;
 305         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 306         gtk_widget_show(arrow);
 307         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 308         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 309                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 310
 311         icon_mainbox = gtk_vbox_new(FALSE, 0);
 312         gtk_widget_show(icon_mainbox);
 313         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 314         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 315         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 316         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 317         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 318                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 319
 320         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 321         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 322
 323         n_entries = sizeof(mimeview_popup_entries) /
 324                 sizeof(mimeview_popup_entries[0]);
 325         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 326                                       "<MimeView>", &popupfactory, mimeview);
 327         vbox = gtk_vbox_new(FALSE, 0);
 328         gtk_widget_show(vbox);
 329         siginfoview = noticeview_create(mainwin);
 330         noticeview_hide(siginfoview);
 331         noticeview_set_icon_clickable(siginfoview, TRUE);
 332         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 333         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 334
 335         paned = gtk_vpaned_new();
 336         gtk_widget_show(paned);
 337         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 338         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 339         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 340
 341         hbox = gtk_hbox_new(FALSE, 0);
 342         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 343         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 344
 345         gtk_widget_show(hbox);
 346         gtk_widget_hide(ctree_mainbox);
 347 #ifdef GENERIC_UMPC
 348         gtk_widget_set_size_request(mime_toggle, -1, arrow->requisition.height + 8);
 349 #endif
 350         mimeview->hbox          = hbox;
 351         mimeview->paned         = paned;
 352         mimeview->scrolledwin   = scrolledwin;
 353         mimeview->ctree         = ctree;
 354         mimeview->mime_notebook = mime_notebook;
 355         mimeview->popupmenu     = popupmenu;
 356         mimeview->popupfactory  = popupfactory;
 357         mimeview->type          = -1;
 358         mimeview->ctree_mainbox = ctree_mainbox;
 359         mimeview->icon_scroll   = icon_scroll;
 360         mimeview->icon_vbox     = icon_vbox;
 361         mimeview->icon_mainbox  = icon_mainbox;
 362         mimeview->icon_count    = 0;
 363         mimeview->mainwin       = mainwin;
 364 #if !(GTK_CHECK_VERSION(2,12,0))
 365         mimeview->tooltips      = tips;
 366 #endif
 367         mimeview->oldsize       = 60;
 368         mimeview->mime_toggle   = mime_toggle;
 369         mimeview->siginfoview   = siginfoview;
 370         mimeview->scrollbutton  = scrollbutton;
 371         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 372
 373         mimeviews = g_slist_prepend(mimeviews, mimeview);
 374
 375         return mimeview;
 376 }
 377
 378 void mimeview_init(MimeView *mimeview)
 379 {
 380         textview_init(mimeview->textview);
 381
 382         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 383                 GTK_WIDGET_PTR(mimeview->textview));
 384 }
 385
 386 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 387 {
 388         while (mimeinfo) {
 389                 if (privacy_mimeinfo_is_signed(mimeinfo))
 390                         return TRUE;
 391                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 392         }
 393
 394         return FALSE;
 395 }
 396
 397 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 398                            const gchar *file)
 399 {
 400         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 401         GtkCTreeNode *node;
 402
 403         mimeview_clear(mimeview);
 404
 405         g_return_if_fail(file != NULL);
 406         g_return_if_fail(mimeinfo != NULL);
 407
 408         mimeview->mimeinfo = mimeinfo;
 409
 410         mimeview->file = g_strdup(file);
 411
 412         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 413                                         mimeview);
 414
 415         /* check if the mail's signed - it can change the mail structure */
 416
 417         if (any_part_is_signed(mimeinfo))
 418                 debug_print("signed mail\n");
 419
 420         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 421         icon_list_clear(mimeview);
 422         icon_list_create(mimeview, mimeinfo);
 423
 424         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 425                                           mimeview_selected, mimeview);
 426
 427         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 428         if (node) {
 429                 gtk_ctree_select(ctree, node);
 430                 icon_list_toggle_by_mime_info
 431                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 432                 gtkut_ctree_set_focus_row(ctree, node);
 433         }
 434 }
 435
 436 #ifdef USE_PTHREAD
 437 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 438 #endif
 439
 440 static void mimeview_free_mimeinfo(MimeView *mimeview)
 441 {
 442         gboolean defer = FALSE;
 443 #ifdef USE_PTHREAD
 444         defer = (mimeview->check_data != NULL);
 445         if (defer)
 446                 mimeview->check_data->free_after_use = TRUE;
 447 #endif
 448         if (mimeview->mimeinfo != NULL && !defer) {
 449                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 450                 mimeview->mimeinfo = NULL;
 451         } else if (defer) {
 452 #ifdef USE_PTHREAD
 453                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 454                 mimeview_check_sig_cancel_now(mimeview);
 455 #endif
 456         }
 457 }
 458
 459 void mimeview_destroy(MimeView *mimeview)
 460 {
 461         GSList *cur;
 462
 463         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 464                 MimeViewer *viewer = (MimeViewer *) cur->data;
 465                 viewer->destroy_viewer(viewer);
 466         }
 467         g_slist_free(mimeview->viewers);
 468         gtk_target_list_unref(mimeview->target_list);
 469
 470         mimeview_free_mimeinfo(mimeview);
 471 #ifdef USE_PTHREAD
 472         if (mimeview->check_data) {
 473                 mimeview->check_data->destroy_mimeview = TRUE;
 474                 debug_print("deferring destroy\n");
 475         } else
 476 #endif
 477         {
 478                 g_free(mimeview->file);
 479                 g_free(mimeview);
 480                 mimeviews = g_slist_remove(mimeviews, mimeview);
 481         }
 482
 483 }
 484
 485 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 486 {
 487         return gtk_ctree_node_get_row_data
 488                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 489 }
 490
 491 gint mimeview_get_selected_part_num(MimeView *mimeview)
 492 {
 493         gint i = 0;
 494         GList *rows = GTK_CLIST(mimeview->ctree)->row_list;
 495         while (rows) {
 496                 if (mimeview->opened == GTK_CTREE_NODE(rows))
 497                         return i;
 498                 i++;
 499                 rows = rows->next;
 500         }
 501         return -1;
 502 }
 503
 504 void mimeview_select_part_num(MimeView *mimeview, gint i)
 505 {
 506         if (i < 0)
 507                 return;
 508         gtk_clist_unselect_all(GTK_CLIST(mimeview->ctree));
 509         gtk_clist_select_row(GTK_CLIST(mimeview->ctree), i, -1);
 510         gtkut_clist_set_focus_row(GTK_CLIST(mimeview->ctree), i);
 511 }
 512
 513 static void mimeview_set_multipart_tree(MimeView *mimeview,
 514                                         MimeInfo *mimeinfo,
 515                                         GtkCTreeNode *parent)
 516 {
 517         GtkCTreeNode *node;
 518
 519         g_return_if_fail(mimeinfo != NULL);
 520
 521         while (mimeinfo != NULL) {
 522                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 523
 524                 if (mimeinfo->node->children)
 525                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 526                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 527         }
 528 }
 529
 530 static const gchar *get_real_part_name(MimeInfo *partinfo)
 531 {
 532         const gchar *name = NULL;
 533
 534         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 535         if (name == NULL)
 536                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 537
 538         return name;
 539 }
 540
 541 static const gchar *get_part_name(MimeInfo *partinfo)
 542 {
 543         const gchar *name;
 544
 545         name = get_real_part_name(partinfo);
 546         if (name == NULL)
 547                 name = "";
 548
 549         return name;
 550 }
 551
 552 static const gchar *get_part_description(MimeInfo *partinfo)
 553 {
 554         if (partinfo->description)
 555                 return partinfo->description;
 556         else
 557                 return get_part_name(partinfo);
 558 }
 559
 560 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 561                                           MimeInfo *partinfo,
 562                                           GtkCTreeNode *parent)
 563 {
 564         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 565         GtkCTreeNode *node;
 566         static gchar content_type[64];
 567         gchar *str[N_MIMEVIEW_COLS];
 568
 569         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 570                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 571         } else {
 572                 g_snprintf(content_type, 64, "UNKNOWN");
 573         }
 574
 575         str[COL_MIMETYPE] = content_type;
 576         str[COL_SIZE] = to_human_readable((goffset)partinfo->length);
 577         if (prefs_common.attach_desc)
 578                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 579         else
 580                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 581
 582         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 583                                      NULL, NULL, NULL, NULL,
 584                                      FALSE, TRUE);
 585         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 586
 587         return node;
 588 }
 589
 590 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 591 {
 592         FILE *fp;
 593         const gchar *fname;
 594
 595         if (!partinfo) return;
 596
 597         fname = mimeview->file;
 598         if (!fname) return;
 599
 600         if ((fp = g_fopen(fname, "rb")) == NULL) {
 601                 FILE_OP_ERROR(fname, "fopen");
 602                 return;
 603         }
 604
 605         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 606                 FILE_OP_ERROR(mimeview->file, "fseek");
 607                 fclose(fp);
 608                 return;
 609         }
 610
 611         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 612         textview_show_part(mimeview->textview, partinfo, fp);
 613
 614         fclose(fp);
 615 }
 616
 617 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 618 {
 619         GSList *cur;
 620         MimeViewerFactory *factory = NULL;
 621         MimeViewer *viewer = NULL;
 622
 623 /*
 624  * FNM_CASEFOLD is a GNU extension
 625  * if its not defined copy the string to the stack and
 626  * convert the copy to lower case
 627  */
 628 #ifndef FNM_CASEFOLD
 629 #define FNM_CASEFOLD 0
 630         Xstrdup_a(content_type, content_type, return NULL);
 631         g_strdown((gchar *)content_type);
 632 #endif
 633
 634         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 635                 MimeViewerFactory *curfactory = cur->data;
 636                 gint i = 0;
 637
 638                 while (curfactory->content_types[i] != NULL) {
 639                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 640                                 debug_print("%s\n", curfactory->content_types[i]);
 641                                 factory = curfactory;
 642                                 break;
 643                         }
 644                         i++;
 645                 }
 646                 if (factory != NULL)
 647                         break;
 648         }
 649         if (factory == NULL)
 650                 return NULL;
 651
 652         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 653                 MimeViewer *curviewer = cur->data;
 654
 655                 if (curviewer->factory == factory)
 656                         return curviewer;
 657         }
 658         viewer = factory->create_viewer();
 659         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 660                 GTK_WIDGET(viewer->get_widget(viewer)));
 661
 662         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 663
 664         return viewer;
 665 }
 666
 667 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 668 {
 669         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 670 }
 671
 672 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 673 {
 674         gchar *content_type = NULL;
 675         MimeViewer *viewer = NULL;
 676
 677         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 678             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 679                 const gchar *filename;
 680
 681                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 682                 if (filename == NULL)
 683                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 684                 if (filename != NULL)
 685                         content_type = procmime_get_mime_type(filename);
 686         } else {
 687                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 688         }
 689
 690         if (content_type != NULL) {
 691                 viewer = get_viewer_for_content_type(mimeview, content_type);
 692                 g_free(content_type);
 693         }
 694
 695         return viewer;
 696 }
 697
 698 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 699 {
 700         MimeViewer *viewer;
 701
 702         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 703         if (viewer == NULL) {
 704                 if (mimeview->mimeviewer != NULL)
 705                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 706                 mimeview->mimeviewer = NULL;
 707                 return FALSE;
 708         }
 709
 710         if (mimeview->mimeviewer != NULL)
 711                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 712
 713         if (mimeview->mimeviewer != viewer) {
 714                 mimeview->mimeviewer = viewer;
 715                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 716         }
 717         viewer->mimeview = mimeview;
 718         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 719
 720         return TRUE;
 721 }
 722
 723 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 724 {
 725         TextView  *textview  = mimeview->textview;
 726         GtkWidget *focused = NULL;
 727
 728         if (mainwindow_get_mainwindow())
 729                 focused = gtkut_get_focused_child(
 730                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 731
 732         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 733             (mimeview->type == type)) return;
 734
 735         switch (type) {
 736         case MIMEVIEW_TEXT:
 737                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 738                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 739                         GTK_WIDGET_PTR(textview)));
 740                 break;
 741         case MIMEVIEW_VIEWER:
 742                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 743                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 744                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 745                 break;
 746         default:
 747                 return;
 748         }
 749         if (focused)
 750                 gtk_widget_grab_focus(focused);
 751         mimeview->type = type;
 752 }
 753
 754 void mimeview_clear(MimeView *mimeview)
 755 {
 756         GtkCList *clist = NULL;
 757
 758         if (!mimeview)
 759                 return;
 760
 761         if (g_slist_find(mimeviews, mimeview) == NULL)
 762                 return;
 763
 764         clist = GTK_CLIST(mimeview->ctree);
 765
 766         noticeview_hide(mimeview->siginfoview);
 767
 768         gtk_clist_clear(clist);
 769         textview_clear(mimeview->textview);
 770         if (mimeview->mimeviewer != NULL)
 771                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 772
 773         mimeview_free_mimeinfo(mimeview);
 774
 775         mimeview->mimeinfo = NULL;
 776
 777         mimeview->opened = NULL;
 778
 779         g_free(mimeview->file);
 780         mimeview->file = NULL;
 781
 782         icon_list_clear(mimeview);
 783         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 784 }
 785
 786 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 787 static void mimeview_check_signature(MimeView *mimeview);
 788 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 789
 790 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 791                                         gboolean special, SignatureStatus code)
 792 {
 793         gchar *text = NULL, *button_text = NULL;
 794         void  *func = NULL;
 795         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 796         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 797
 798         g_return_if_fail(mimeview != NULL);
 799         g_return_if_fail(mimeinfo != NULL);
 800
 801         if (special)
 802                 mycode = code;
 803         else
 804                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 805
 806         switch (mycode) {
 807         case SIGNATURE_UNCHECKED:
 808                 button_text = _("Check signature");
 809                 func = check_signature_cb;
 810                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 811                 break;
 812         case SIGNATURE_OK:
 813                 button_text = _("View full information");
 814                 func = display_full_info_cb;
 815                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 816                 break;
 817         case SIGNATURE_WARN:
 818                 button_text = _("View full information");
 819                 func = display_full_info_cb;
 820                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 821                 break;
 822         case SIGNATURE_KEY_EXPIRED:
 823                 button_text = _("View full information");
 824                 func = display_full_info_cb;
 825                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
 826                 break;
 827         case SIGNATURE_INVALID:
 828                 button_text = _("View full information");
 829                 func = display_full_info_cb;
 830                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 831                 break;
 832         case SIGNATURE_CHECK_FAILED:
 833                 button_text = _("Check again");
 834                 func = check_signature_cb;
 835                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 836         case SIGNATURE_CHECK_TIMEOUT:
 837                 button_text = _("Check again");
 838                 func = check_signature_cb;
 839                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 840         default:
 841                 break;
 842         }
 843         if (mycode == SIGNATURE_UNCHECKED) {
 844                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 845                 text = g_strdup_printf("%s %s",
 846                         tmp, _("Click the icon or hit 'C' to check it."));
 847                 g_free(tmp);
 848         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 849                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 850         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 851                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 852         }
 853
 854         noticeview_set_text(mimeview->siginfoview, text);
 855         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 856
 857         g_free(text);
 858         noticeview_set_button_text(mimeview->siginfoview, NULL);
 859         noticeview_set_button_press_callback(
 860                 mimeview->siginfoview,
 861                 G_CALLBACK(func),
 862                 (gpointer) mimeview);
 863         noticeview_set_icon(mimeview->siginfoview, icon);
 864         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 865 }
 866
 867 #ifdef USE_PTHREAD
 868
 869 /* reset all thread stuff, and do the cleanups we've been left to do */
 870 static void mimeview_check_data_reset(MimeView *mimeview)
 871 {
 872         if (!mimeview->check_data)
 873                 return;
 874
 875         if (mimeview->check_data->free_after_use) {
 876                 debug_print("freeing deferred mimeinfo\n");
 877                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 878         }
 879         if (mimeview->check_data->destroy_mimeview) {
 880                 debug_print("freeing deferred mimeview\n");
 881                 g_free(mimeview->file);
 882                 g_free(mimeview);
 883                 mimeviews = g_slist_remove(mimeviews, mimeview);
 884         }
 885
 886         g_free(mimeview->check_data);
 887         mimeview->check_data = NULL;
 888 }
 889
 890 /* GUI update once the checker thread is done or killed */
 891 static gboolean mimeview_check_sig_thread_cb(void *data)
 892 {
 893         MimeView *mimeview = (MimeView *) data;
 894         MimeInfo *mimeinfo = mimeview->siginfo;
 895
 896         debug_print("mimeview_check_sig_thread_cb\n");
 897
 898         if (mimeinfo == NULL) {
 899                 /* message changed !? */
 900                 g_warning("no more siginfo!\n");
 901                 goto end;
 902         }
 903
 904         if (!mimeview->check_data) {
 905                 g_warning("nothing to check\n");
 906                 return FALSE;
 907         }
 908
 909         if (mimeview->check_data->siginfo != mimeinfo) {
 910                 /* message changed !? */
 911                 g_warning("different siginfo!\n");
 912                 goto end;
 913         }
 914
 915         if (mimeview->check_data->destroy_mimeview ||
 916             mimeview->check_data->free_after_use) {
 917                 debug_print("not bothering, we're changing message\n");
 918                 goto end;
 919         }
 920
 921         /* update status */
 922         if (mimeview->check_data->timeout)
 923                 update_signature_noticeview(mimeview, mimeview->siginfo,
 924                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 925         else
 926                 update_signature_noticeview(mimeview, mimeview->siginfo,
 927                         FALSE, 0);
 928         icon_list_clear(mimeview);
 929         icon_list_create(mimeview, mimeview->mimeinfo);
 930
 931 end:
 932         mimeview_check_data_reset(mimeview);
 933         return FALSE;
 934 }
 935
 936 /* sig checker thread */
 937 static void *mimeview_check_sig_worker_thread(void *data)
 938 {
 939         MimeView *mimeview = (MimeView *)data;
 940         MimeInfo *mimeinfo = mimeview->siginfo;
 941
 942         debug_print("checking...\n");
 943
 944         if (!mimeview->check_data)
 945                 return NULL;
 946
 947         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
 948                 privacy_mimeinfo_check_signature(mimeinfo);
 949         else {
 950                 /* that's strange! we changed message without
 951                  * getting killed. */
 952                 g_warning("different siginfo!\n");
 953                 mimeview_check_data_reset(mimeview);
 954                 return NULL;
 955         }
 956
 957         /* use g_timeout so that GUI updates is done from the
 958          * correct thread */
 959         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 960
 961         return NULL;
 962 }
 963
 964 /* killer thread - acts when the checker didn't work fast
 965  * enough. */
 966 static void *mimeview_check_sig_cancel_thread(void *data)
 967 {
 968         MimeView *mimeview = (MimeView *)data;
 969
 970         if (!mimeview->check_data)
 971                 return NULL; /* nothing to kill ! */
 972
 973         /* wait for a few seconds... */
 974         debug_print("waiting a while\n");
 975
 976         sleep(5);
 977
 978         if (!mimeview->check_data)
 979                 return NULL; /* nothing to kill, it's done in time :) */
 980
 981         /* too late, go away checker thread */
 982         debug_print("killing checker thread\n");
 983         pthread_cancel(mimeview->check_data->th);
 984
 985         /* tell upstream it was a timeout */
 986         mimeview->check_data->timeout = TRUE;
 987         /* use g_timeout so that GUI updates is done from the
 988          * correct thread */
 989         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 990
 991         return NULL;
 992 }
 993
 994 /* get rid of the checker thread right now - used when changing the
 995  * displayed message for example. */
 996 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
 997 {
 998         if (!mimeview->check_data)
 999                 return;
1000         debug_print("killing checker thread NOW\n");
1001         pthread_cancel(mimeview->check_data->th);
1002
1003         /* tell upstream it was a timeout */
1004         mimeview->check_data->timeout = TRUE;
1005         mimeview_check_sig_thread_cb(mimeview);
1006         return;
1007 }
1008
1009 /* creates a thread to check the signature, and a second one
1010  * to kill the first one after a timeout */
1011 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1012 {
1013         pthread_t th, th2;
1014         pthread_attr_t detach, detach2;
1015
1016         if (mimeview->check_data) {
1017                 g_warning("already checking it");
1018                 return;
1019         }
1020
1021         mimeview->check_data = g_new0(SigCheckData, 1);
1022         mimeview->check_data->siginfo = mimeview->siginfo;
1023         debug_print("creating thread\n");
1024
1025         /* init thread attributes and create the checker thread */
1026         if (pthread_attr_init(&detach) != 0 ||
1027             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1028             pthread_attr_init(&detach2) != 0 ||
1029             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1030             pthread_create(&th, &detach,
1031                         mimeview_check_sig_worker_thread,
1032                         mimeview) != 0) {
1033                 /* arh. We'll do it synchronously. */
1034                 g_warning("can't create thread");
1035                 g_free(mimeview->check_data);
1036                 mimeview->check_data = NULL;
1037                 return;
1038         } else
1039                 mimeview->check_data->th = th;
1040
1041         /* create the killer thread */
1042         pthread_create(&th2, &detach2,
1043                         mimeview_check_sig_cancel_thread,
1044                         mimeview);
1045 }
1046 #endif
1047
1048 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1049 {
1050         MimeView *mimeview = (MimeView *) user_data;
1051         MimeInfo *mimeinfo = mimeview->siginfo;
1052
1053         if (mimeinfo == NULL)
1054                 return;
1055 #ifdef USE_PTHREAD
1056         if (mimeview->check_data)
1057                 return;
1058 #endif
1059         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1060         GTK_EVENTS_FLUSH();
1061 #ifdef USE_PTHREAD
1062         /* let's do it non-blocking */
1063         mimeview_check_sig_in_thread(mimeview);
1064         if (!mimeview->check_data) /* let's check syncronously */
1065 #endif
1066         {
1067                 debug_print("checking without thread\n");
1068                 privacy_mimeinfo_check_signature(mimeinfo);
1069                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1070                 icon_list_clear(mimeview);
1071                 icon_list_create(mimeview, mimeview->mimeinfo);
1072         }
1073 }
1074
1075 static void mimeview_check_signature(MimeView *mimeview)
1076 {
1077         check_signature_cb(NULL, mimeview);
1078 }
1079
1080 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1081 {
1082         MimeView *mimeview = (MimeView *) user_data;
1083         GtkCTreeNode *node = mimeview->opened;
1084         mimeview->opened = NULL;
1085         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
1086 }
1087
1088 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1089 {
1090         MimeView *mimeview = (MimeView *) user_data;
1091         gchar *siginfo;
1092
1093         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1094         textview_set_text(mimeview->textview, siginfo);
1095         g_free(siginfo);
1096         noticeview_set_button_text(mimeview->siginfoview, NULL);
1097         noticeview_set_button_press_callback(
1098                 mimeview->siginfoview,
1099                 G_CALLBACK(redisplay_email),
1100                 (gpointer) mimeview);
1101         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1102 }
1103
1104 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1105 {
1106         MimeInfo *siginfo;
1107         MimeInfo *first_text;
1108
1109         g_return_if_fail(mimeview != NULL);
1110         g_return_if_fail(selected != NULL);
1111
1112         if (selected->type == MIMETYPE_MESSAGE
1113         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1114                 /* if the first text part is signed, check that */
1115                 first_text = selected;
1116                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1117                         first_text = procmime_mimeinfo_next(first_text);
1118                 }
1119                 if (first_text) {
1120                         update_signature_info(mimeview, first_text);
1121                         return;
1122                 }
1123         }
1124
1125         siginfo = selected;
1126         while (siginfo != NULL) {
1127                 if (privacy_mimeinfo_is_signed(siginfo))
1128                         break;
1129                 siginfo = procmime_mimeinfo_parent(siginfo);
1130         }
1131         mimeview->siginfo = siginfo;
1132
1133         if (siginfo == NULL) {
1134                 noticeview_hide(mimeview->siginfoview);
1135                 return;
1136         }
1137
1138         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1139         noticeview_show(mimeview->siginfoview);
1140 }
1141
1142 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
1143                               MimeView *mimeview)
1144 {
1145         MimeInfo *partinfo;
1146         if (mimeview->opened == node) return;
1147         mimeview->opened = node;
1148         mimeview->spec_part = NULL;
1149         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1150
1151         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1152         if (!partinfo) return;
1153
1154         /* ungrab the mouse event */
1155         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1156                 gtk_grab_remove(GTK_WIDGET(ctree));
1157                 if (gdk_pointer_is_grabbed())
1158                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1159         }
1160
1161         mimeview->textview->default_text = FALSE;
1162
1163         update_signature_info(mimeview, partinfo);
1164
1165         if (!mimeview_show_part(mimeview, partinfo)) {
1166                 switch (partinfo->type) {
1167                 case MIMETYPE_TEXT:
1168                 case MIMETYPE_MESSAGE:
1169                 case MIMETYPE_MULTIPART:
1170                         mimeview_show_message_part(mimeview, partinfo);
1171
1172                         break;
1173                 default:
1174                         mimeview->textview->default_text = TRUE;
1175                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1176                         textview_clear(mimeview->textview);
1177                         textview_show_mime_part(mimeview->textview, partinfo);
1178                         break;
1179                 }
1180         }
1181 }
1182
1183 static void mimeview_start_drag(GtkWidget *widget, gint button,
1184                                 GdkEvent *event, MimeView *mimeview)
1185 {
1186         GdkDragContext *context;
1187         MimeInfo *partinfo;
1188
1189         g_return_if_fail(mimeview != NULL);
1190
1191         partinfo = mimeview_get_selected_part(mimeview);
1192         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1193
1194         context = gtk_drag_begin(widget, mimeview->target_list,
1195                                  GDK_ACTION_COPY, button, event);
1196         gtk_drag_set_icon_default(context);
1197 }
1198
1199 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1200                                     MimeView *mimeview)
1201 {
1202         GtkCList *clist = GTK_CLIST(widget);
1203         gint row, column;
1204
1205         if (!event) return FALSE;
1206
1207         if (event->button == 2 || event->button == 3) {
1208                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1209                                                   &row, &column))
1210                         return FALSE;
1211                 gtk_clist_unselect_all(clist);
1212                 gtk_clist_select_row(clist, row, column);
1213                 gtkut_clist_set_focus_row(clist, row);
1214         }
1215         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1216
1217         return FALSE;
1218 }
1219
1220 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1221                                     MimeView *mimeview)
1222 {
1223         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1224         if (event->direction == GDK_SCROLL_UP) {
1225                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1226         } else {
1227                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1228         }
1229         gtk_vscrollbutton_scroll(scrollbutton);
1230         return TRUE;
1231 }
1232
1233 /* from gdkevents.c */
1234 #define DOUBLE_CLICK_TIME 250
1235
1236 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1237                                     MimeInfo *partinfo)
1238 {
1239         static MimeInfo *lastinfo;
1240         static guint32 lasttime;
1241
1242         if (event->button == 2 ||
1243             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1244                 /* call external program for image, audio or html */
1245                 mimeview_launch(mimeview, partinfo);
1246                 return TRUE;
1247         } else if (event->button == 3) {
1248                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1249                                  partinfo->type == MIMETYPE_IMAGE ||
1250                                  partinfo->type == MIMETYPE_MULTIPART))
1251                         menu_set_sensitive(mimeview->popupfactory,
1252                                            "/Display as text (t)", FALSE);
1253                 else
1254                         menu_set_sensitive(mimeview->popupfactory,
1255                                            "/Display as text (t)", TRUE);
1256                 if (partinfo &&
1257                     partinfo->type == MIMETYPE_APPLICATION &&
1258                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1259                         menu_set_sensitive(mimeview->popupfactory,
1260                                            "/Open (l)", FALSE);
1261                 else
1262                         menu_set_sensitive(mimeview->popupfactory,
1263                                            "/Open (l)", TRUE);
1264
1265                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1266                                   "pop_partinfo", partinfo);
1267
1268                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1269                                NULL, NULL, NULL, NULL,
1270                                event->button, event->time);
1271                 return TRUE;
1272         }
1273
1274         lastinfo = partinfo;
1275         lasttime = event->time;
1276         return FALSE;
1277 }
1278
1279
1280 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1281 {
1282         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1283 }
1284
1285 static void mimeview_select_next_part(MimeView *mimeview)
1286 {
1287         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1288         GtkCTreeNode *node = mimeview->opened;
1289         MimeInfo *partinfo = NULL;
1290
1291 skip:
1292         node = GTK_CTREE_NODE_NEXT(node);
1293         if (!node)
1294                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), 0);
1295
1296         if (node) {
1297                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1298                 if (partinfo->type == MIMETYPE_MULTIPART)
1299                         goto skip;
1300                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1301                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1302                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1303         }
1304 }
1305
1306 static void mimeview_select_prev_part(MimeView *mimeview)
1307 {
1308         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1309         GtkCTreeNode *node = mimeview->opened;
1310         MimeInfo *partinfo = NULL;
1311
1312 skip:
1313         node = GTK_CTREE_NODE_PREV(node);
1314         if (!node)
1315                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), GTK_CLIST(ctree)->rows - 1);
1316
1317         if (node) {
1318                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1319                 if (partinfo->type == MIMETYPE_MULTIPART)
1320                         goto skip;
1321                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1322                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1323                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1324         }
1325 }
1326
1327 #define BREAK_ON_MODIFIER_KEY() \
1328         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1329
1330 #define KEY_PRESS_EVENT_STOP() \
1331         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1332                                        "key_press_event");
1333
1334 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1335                                  MimeView *mimeview)
1336 {
1337         SummaryView *summaryview;
1338         GtkCTree *ctree = GTK_CTREE(widget);
1339
1340         if (!event) return FALSE;
1341         if (!mimeview->opened) return FALSE;
1342
1343         summaryview = mimeview->messageview->mainwin->summaryview;
1344
1345         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1346                 return FALSE;
1347
1348         switch (event->keyval) {
1349         case GDK_space:
1350                 if (mimeview_scroll_page(mimeview, FALSE))
1351                         return TRUE;
1352
1353                 mimeview_select_next_part(mimeview);
1354                 return TRUE;
1355
1356         case GDK_BackSpace:
1357                 mimeview_scroll_page(mimeview, TRUE);
1358                 return TRUE;
1359         case GDK_Return:
1360         case GDK_KP_Enter:
1361                 mimeview_scroll_one_line(mimeview,
1362                                          (event->state & GDK_MOD1_MASK) != 0);
1363                 return TRUE;
1364         case GDK_n:
1365         case GDK_N:
1366                 BREAK_ON_MODIFIER_KEY();
1367                 mimeview_select_next_part(mimeview);
1368                 return TRUE;
1369
1370         case GDK_p:
1371         case GDK_P:
1372                 BREAK_ON_MODIFIER_KEY();
1373                 mimeview_select_prev_part(mimeview);
1374                 return TRUE;
1375
1376         case GDK_y:
1377                 BREAK_ON_MODIFIER_KEY();
1378                 KEY_PRESS_EVENT_STOP();
1379                 mimeview_save_as(mimeview);
1380                 return TRUE;
1381         case GDK_t:
1382                 BREAK_ON_MODIFIER_KEY();
1383                 KEY_PRESS_EVENT_STOP();
1384                 mimeview_display_as_text(mimeview);
1385                 return TRUE;
1386         case GDK_l:
1387                 BREAK_ON_MODIFIER_KEY();
1388                 KEY_PRESS_EVENT_STOP();
1389                 mimeview_launch(mimeview, NULL);
1390                 return TRUE;
1391         case GDK_o:
1392                 BREAK_ON_MODIFIER_KEY();
1393                 KEY_PRESS_EVENT_STOP();
1394                 mimeview_open_with(mimeview);
1395                 return TRUE;
1396         case GDK_c:
1397                 BREAK_ON_MODIFIER_KEY();
1398                 KEY_PRESS_EVENT_STOP();
1399                 mimeview_check_signature(mimeview);
1400                 return TRUE;
1401         case GDK_a:
1402                 BREAK_ON_MODIFIER_KEY();
1403                 KEY_PRESS_EVENT_STOP();
1404                 mimeview_select_next_part(mimeview);
1405                 return TRUE;
1406         default:
1407                 break;
1408         }
1409
1410         if (!mimeview->messageview->mainwin) return FALSE;
1411
1412         summary_pass_key_press_event(summaryview, event);
1413         return TRUE;
1414 }
1415
1416 static void mimeview_drag_data_get(GtkWidget        *widget,
1417                                    GdkDragContext   *drag_context,
1418                                    GtkSelectionData *selection_data,
1419                                    guint             info,
1420                                    guint             time,
1421                                    MimeView         *mimeview)
1422 {
1423         gchar *filename = NULL, *uriname, *tmp;
1424         MimeInfo *partinfo;
1425         gint err;
1426         gint count = 0;
1427
1428         if (!mimeview->opened) return;
1429         if (!mimeview->file) return;
1430
1431         partinfo = mimeview_get_selected_part(mimeview);
1432         if (!partinfo) return;
1433
1434         if (strlen(get_part_name(partinfo)) > 0) {
1435                 filename = g_path_get_basename(get_part_name(partinfo));
1436                 if (*filename == '\0') return;
1437         } else if (partinfo->type == MIMETYPE_MESSAGE
1438                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1439                 gchar *name = NULL;
1440                 GPtrArray *headers = NULL;
1441                 FILE *fp;
1442
1443                 fp = g_fopen(partinfo->data.filename, "rb");
1444                 fseek(fp, partinfo->offset, SEEK_SET);
1445                 headers = procheader_get_header_array_asis(fp);
1446                 if (headers) {
1447                         gint i;
1448                         for (i = 0; i < headers->len; i++) {
1449                                 Header *header = g_ptr_array_index(headers, i);
1450                                 if (procheader_headername_equal(header->name, "Subject")) {
1451                                         unfold_line(header->body);
1452                                         name = g_strconcat(header->body, ".txt", NULL);
1453                                         subst_for_filename(name);
1454                                 }
1455                         }
1456                         procheader_header_array_destroy(headers);
1457                 }
1458                 fclose(fp);
1459                 if (name)
1460                         filename = g_path_get_basename(name);
1461                 g_free(name);
1462         }
1463         if (filename == NULL)
1464                 filename = g_path_get_basename("Unnamed part");
1465
1466         if (!g_utf8_validate(filename, -1, NULL))
1467                 tmp = conv_codeset_strdup(filename,
1468                                 conv_get_locale_charset_str(),
1469                                 CS_UTF_8);
1470         else
1471                 tmp = g_strdup(filename);
1472
1473         if (tmp == NULL) {
1474                 g_warning("filename not in UTF-8");
1475                 tmp = g_strdup("Unnamed part");
1476         }
1477         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1478                                tmp, NULL);
1479
1480 check_new_file:
1481         if (is_file_exist(filename)) {
1482                 gchar *ext = NULL;
1483                 gchar *prefix = NULL;
1484                 gchar *new_name = NULL;
1485                 if (strrchr(tmp, '.')) {
1486                         prefix = g_strdup(tmp);
1487                         ext = g_strdup(strrchr(tmp, '.'));
1488                         *(strrchr(prefix, '.')) = '\0';
1489                 } else {
1490                         prefix = g_strdup(tmp);
1491                         ext = g_strdup("");
1492                 }
1493                 count++;
1494                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1495                 g_free(prefix);
1496                 g_free(ext);
1497                 g_free(filename);
1498                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1499                                new_name, NULL);
1500                 g_free(new_name);
1501                 goto check_new_file;
1502         }
1503
1504         g_free(tmp);
1505
1506         if ((err = procmime_get_part(filename, partinfo)) < 0)
1507                 alertpanel_error
1508                         (_("Couldn't save the part of multipart message: %s"),
1509                                 strerror(-err));
1510
1511         tmp = g_filename_to_uri(filename, NULL, NULL);
1512         uriname = g_strconcat(tmp, "\r\n", NULL);
1513         g_free(tmp);
1514
1515         gtk_selection_data_set(selection_data, selection_data->target, 8,
1516                                (guchar *)uriname, strlen(uriname));
1517
1518         g_free(uriname);
1519         g_free(filename);
1520 }
1521
1522 /**
1523  * Returns a filename (with path) for an attachment
1524  * \param partinfo The attachment to save
1525  * \param basedir The target directory
1526  * \param number Used for dummy filename if attachment is unnamed
1527  */
1528 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1529                                       const gchar *basedir,
1530                                       gint number)
1531 {
1532         gchar *fullname;
1533         gchar *filename;
1534
1535         filename = g_strdup(get_part_name(partinfo));
1536         if (!filename || !*filename)
1537                 filename = g_strdup_printf("noname.%d", number);
1538
1539         if (!g_utf8_validate(filename, -1, NULL)) {
1540                 gchar *tmp = conv_filename_to_utf8(filename);
1541                 g_free(filename);
1542                 filename = tmp;
1543         }
1544
1545         subst_for_filename(filename);
1546
1547         fullname = g_strconcat
1548                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1549                  ? &filename[1] : filename, NULL);
1550
1551         g_free(filename);
1552         filename = conv_filename_from_utf8(fullname);
1553         g_free(fullname);
1554         return filename;
1555 }
1556
1557 /**
1558  * Write a single attachment to file
1559  * \param filename Filename with path
1560  * \param partinfo Attachment to save
1561  */
1562 static gboolean mimeview_write_part(const gchar *filename,
1563                                     MimeInfo *partinfo)
1564 {
1565         gchar *dir;
1566         gint err;
1567
1568         dir= g_path_get_dirname(filename);
1569         if (!is_dir_exist(dir))
1570                 make_dir_hier(dir);
1571         g_free(dir);
1572
1573         if (is_file_exist(filename)) {
1574                 AlertValue aval;
1575                 gchar *res;
1576                 gchar *tmp;
1577
1578                 if (!g_utf8_validate(filename, -1, NULL))
1579                         tmp = conv_filename_to_utf8(filename);
1580                 else
1581                         tmp = g_strdup(filename);
1582
1583                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1584                                       tmp);
1585                 g_free(tmp);
1586                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1587                                   GTK_STOCK_OK, NULL);
1588                 g_free(res);
1589                 if (G_ALERTALTERNATE != aval) return FALSE;
1590         }
1591
1592         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1593                 alertpanel_error
1594                         (_("Couldn't save the part of multipart message: %s"),
1595                                 strerror(-err));
1596                 return FALSE;
1597         }
1598
1599         return TRUE;
1600 }
1601
1602 /**
1603  * Menu callback: Save all attached files
1604  * \param mimeview Current display
1605  */
1606 static void mimeview_save_all(MimeView *mimeview)
1607 {
1608         MimeInfo *partinfo;
1609         gchar *dirname;
1610         gchar *startdir = NULL;
1611         gint number = 1;
1612
1613         if (!mimeview->opened) return;
1614         if (!mimeview->file) return;
1615         if (!mimeview->mimeinfo) return;
1616
1617         partinfo = mimeview->mimeinfo;
1618         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1619                 startdir = g_strconcat(prefs_common.attach_save_dir,
1620                                        G_DIR_SEPARATOR_S, NULL);
1621         else
1622                 startdir = g_strdup(get_home_dir());
1623
1624         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1625         if (!dirname) {
1626                 g_free(startdir);
1627                 return;
1628         }
1629
1630         if (!is_dir_exist (dirname)) {
1631                 alertpanel_error(_("'%s' is not a directory."),
1632                                  dirname);
1633                 g_free(startdir);
1634                 g_free(dirname);
1635                 return;
1636         }
1637
1638         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1639                 dirname[strlen(dirname)-1] = '\0';
1640
1641         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1642         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1643                 partinfo = procmime_mimeinfo_next(partinfo);
1644         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1645                 partinfo = procmime_mimeinfo_next(partinfo);
1646                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1647                         partinfo = procmime_mimeinfo_next(partinfo);
1648         }
1649
1650         while (partinfo != NULL) {
1651                 if (partinfo->type != MIMETYPE_MESSAGE &&
1652                     partinfo->type != MIMETYPE_MULTIPART &&
1653                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1654                      || get_real_part_name(partinfo) != NULL)) {
1655                         gchar *filename = mimeview_get_filename_for_part
1656                                 (partinfo, dirname, number++);
1657
1658                         mimeview_write_part(filename, partinfo);
1659                         g_free(filename);
1660                 }
1661                 partinfo = procmime_mimeinfo_next(partinfo);
1662         }
1663
1664         g_free(prefs_common.attach_save_dir);
1665         g_free(startdir);
1666         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1667                                         -1, NULL, NULL, NULL);
1668         g_free(dirname);
1669 }
1670
1671 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1672 {
1673         MimeInfo *partinfo = NULL;
1674         if (mimeview->spec_part) {
1675                 partinfo = mimeview->spec_part;
1676                 mimeview->spec_part = NULL;
1677         } else {
1678                 partinfo = (MimeInfo *) g_object_get_data
1679                          (G_OBJECT(mimeview->popupmenu),
1680                          "pop_partinfo");
1681                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1682                                   "pop_partinfo", NULL);
1683                 if (!partinfo) {
1684                         partinfo = mimeview_get_selected_part(mimeview);
1685                 }
1686         }
1687
1688         return partinfo;
1689 }
1690 /**
1691  * Menu callback: Save the selected attachment
1692  * \param mimeview Current display
1693  */
1694 static void mimeview_save_as(MimeView *mimeview)
1695 {
1696         gchar *filename;
1697         gchar *filepath = NULL;
1698         gchar *filedir = NULL;
1699         MimeInfo *partinfo;
1700         gchar *partname = NULL;
1701
1702         if (!mimeview->opened) return;
1703         if (!mimeview->file) return;
1704
1705         partinfo = mimeview_get_part_to_use(mimeview);
1706
1707         g_return_if_fail(partinfo != NULL);
1708
1709         if (get_part_name(partinfo) == NULL) {
1710                 return;
1711         }
1712         partname = g_strdup(get_part_name(partinfo));
1713
1714         if (!g_utf8_validate(partname, -1, NULL)) {
1715                 gchar *tmp = conv_filename_to_utf8(partname);
1716                 if (!tmp) {
1717                         tmp = conv_codeset_strdup(partname,
1718                                 conv_get_locale_charset_str(),
1719                                 CS_UTF_8);
1720                 }
1721                 if (tmp) {
1722                         g_free(partname);
1723                         partname = tmp;
1724                 }
1725         }
1726
1727         subst_for_filename(partname);
1728
1729         if (prefs_common.attach_save_dir)
1730                 filepath = g_strconcat(prefs_common.attach_save_dir,
1731                                        G_DIR_SEPARATOR_S, partname, NULL);
1732         else
1733                 filepath = g_strdup(partname);
1734
1735         g_free(partname);
1736
1737         filename = filesel_select_file_save(_("Save as"), filepath);
1738         if (!filename) {
1739                 g_free(filepath);
1740                 return;
1741         }
1742
1743         mimeview_write_part(filename, partinfo);
1744
1745         filedir = g_path_get_dirname(filename);
1746         if (filedir && strcmp(filedir, ".")) {
1747                 g_free(prefs_common.attach_save_dir);
1748                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1749         }
1750
1751         g_free(filedir);
1752         g_free(filepath);
1753 }
1754
1755 static void mimeview_display_as_text(MimeView *mimeview)
1756 {
1757         MimeInfo *partinfo;
1758
1759         if (!mimeview->opened) return;
1760
1761         partinfo = mimeview_get_part_to_use(mimeview);
1762         mimeview_select_mimepart_icon(mimeview, partinfo);
1763         g_return_if_fail(partinfo != NULL);
1764         mimeview_show_message_part(mimeview, partinfo);
1765 }
1766
1767 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
1768 {
1769         gchar *filename;
1770         gint err;
1771
1772         if (!mimeview->opened) return;
1773         if (!mimeview->file) return;
1774
1775         if (!partinfo)
1776                 partinfo = mimeview_get_part_to_use(mimeview);
1777
1778         g_return_if_fail(partinfo != NULL);
1779
1780         filename = procmime_get_tmp_file_name(partinfo);
1781
1782         if ((err = procmime_get_part(filename, partinfo)) < 0)
1783                 alertpanel_error
1784                         (_("Couldn't save the part of multipart message: %s"),
1785                                 strerror(-err));
1786         else
1787                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1788
1789         g_free(filename);
1790 }
1791
1792 static void mimeview_open_with(MimeView *mimeview)
1793 {
1794         MimeInfo *partinfo;
1795
1796         if (!mimeview) return;
1797         if (!mimeview->opened) return;
1798         if (!mimeview->file) return;
1799
1800         partinfo = mimeview_get_part_to_use(mimeview);
1801
1802         mimeview_open_part_with(mimeview, partinfo, FALSE);
1803 }
1804
1805 #ifdef MAEMO
1806 osso_context_t *get_osso_context(void);
1807 #endif
1808 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1809 {
1810         gchar *filename;
1811         gchar *cmd;
1812         gchar *mime_command = NULL;
1813         gchar *content_type = NULL;
1814         gint err;
1815 #ifdef MAEMO
1816         DBusConnection *dbusconn;
1817         gchar *uri;
1818         int r = 0;
1819 #endif
1820         g_return_if_fail(partinfo != NULL);
1821
1822         filename = procmime_get_tmp_file_name(partinfo);
1823
1824         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1825                 alertpanel_error
1826                         (_("Couldn't save the part of multipart message: %s"),
1827                                 strerror(-err));
1828                 g_free(filename);
1829                 return;
1830         }
1831
1832         if (!prefs_common.mime_open_cmd_history)
1833                 prefs_common.mime_open_cmd_history =
1834                         add_history(NULL, prefs_common.mime_open_cmd);
1835
1836         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1837             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1838                 /* guess content-type from filename */
1839                 content_type = procmime_get_mime_type(filename);
1840         }
1841         if (content_type == NULL) {
1842                 content_type = procmime_get_content_type_str(partinfo->type,
1843                         partinfo->subtype);
1844         }
1845
1846 #ifdef MAEMO
1847         if (content_type != NULL) {
1848                 uri = g_filename_to_uri(filename, NULL, NULL);
1849                 dbusconn = osso_get_dbus_connection (get_osso_context());
1850 #ifdef CHINOOK
1851                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1852 #else
1853                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1854 #endif
1855                 g_free(uri);
1856         }
1857         if (r != 1) {
1858                 alertpanel_error(_("No registered viewer for this file type."));
1859         }
1860         goto out;
1861 #endif
1862
1863         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1864         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
1865                 mime_command = g_strdup(prefs_common_get_uri_cmd());
1866                 g_free(content_type);
1867                 content_type = NULL;
1868         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
1869         ||  !prefs_common_get_ext_editor_cmd()[0]) {
1870                 mime_command = mailcap_get_command_for_type(content_type, filename);
1871         } else {
1872                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
1873                 g_free(content_type);
1874                 content_type = NULL;
1875         }
1876         if (mime_command == NULL) {
1877                 /* try with extension this time */
1878                 g_free(content_type);
1879                 content_type = procmime_get_mime_type(filename);
1880                 mime_command = mailcap_get_command_for_type(content_type, filename);
1881         }
1882
1883         if (mime_command == NULL)
1884                 automatic = FALSE;
1885
1886         if (!automatic) {
1887                 gboolean remember = FALSE;
1888                 if (content_type != NULL)
1889                         cmd = input_dialog_combo_remember
1890                                 (_("Open with"),
1891                                  _("Enter the command line to open file:\n"
1892                                    "('%s' will be replaced with file name)"),
1893                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1894                                  prefs_common.mime_open_cmd_history, &remember);
1895                 else
1896                         cmd = input_dialog_combo
1897                                 (_("Open with"),
1898                                  _("Enter the command line to open file:\n"
1899                                    "('%s' will be replaced with file name)"),
1900                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1901                                  prefs_common.mime_open_cmd_history);
1902                 if (cmd && remember) {
1903                         mailcap_update_default(content_type, cmd);
1904                 }
1905                 g_free(mime_command);
1906         } else {
1907                 cmd = mime_command;
1908         }
1909         if (cmd) {
1910                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1911                 g_free(prefs_common.mime_open_cmd);
1912                 prefs_common.mime_open_cmd = cmd;
1913                 prefs_common.mime_open_cmd_history =
1914                         add_history(prefs_common.mime_open_cmd_history, cmd);
1915         }
1916 #ifdef MAEMO
1917 out:
1918 #endif
1919         g_free(content_type);
1920         g_free(filename);
1921 }
1922
1923 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1924                                const gchar *cmd, MimeView *mimeview)
1925 {
1926         gchar *p;
1927         gchar buf[BUFFSIZE];
1928         if (cmd == NULL)
1929                 mimeview_open_part_with(mimeview, partinfo, TRUE);
1930         else {
1931                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1932                     !strchr(p + 2, '%')) {
1933                         g_snprintf(buf, sizeof(buf), cmd, filename);
1934                         if (!prefs_common.save_parts_readwrite)
1935                                 g_chmod(filename, S_IRUSR);
1936                         else
1937                                 g_chmod(filename, S_IRUSR|S_IWUSR);
1938                 } else {
1939                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1940                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1941                 }
1942                 if (execute_command_line(buf, TRUE) != 0) {
1943                         if (!prefs_common.save_parts_readwrite)
1944                                 g_chmod(filename, S_IRUSR|S_IWUSR);
1945                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1946                 }
1947         }
1948 }
1949
1950 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1951 {
1952         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1953 }
1954
1955 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1956 {
1957         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1958 }
1959
1960 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1961 {
1962         GSList *mimeview_list, *viewer_list;
1963
1964         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1965                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1966
1967                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1968                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1969                         mimeview->mimeviewer = NULL;
1970                 }
1971
1972                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1973                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1974
1975                         mimeviewer->destroy_viewer(mimeviewer);
1976                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1977                 }
1978         }
1979
1980         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1981 }
1982
1983 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1984 {
1985         gint      num;
1986         MimeInfo *partinfo;
1987
1988         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1989         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1990
1991         if (event->button == 1) {
1992                 icon_selected(mimeview, num, partinfo);
1993                 gtk_widget_grab_focus(button);
1994         }
1995         part_button_pressed(mimeview, event, partinfo);
1996         icon_list_toggle_by_mime_info(mimeview, partinfo);
1997
1998         return FALSE;
1999 }
2000
2001 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2002 {
2003         GtkCTreeNode *node;
2004         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
2005
2006         if (node)
2007                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
2008 }
2009
2010 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2011 {
2012         icon_list_toggle_by_mime_info(mimeview, partinfo);
2013         icon_selected(mimeview, -1, partinfo);
2014 }
2015
2016 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2017                              MimeView *mimeview)
2018 {
2019         gint          num;
2020         MimeInfo     *partinfo;
2021         SummaryView  *summaryview;
2022         TextView     *textview;
2023
2024         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2025         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2026
2027         if (!event) return FALSE;
2028
2029         textview = mimeview->textview;
2030
2031         switch (event->keyval) {
2032         case GDK_space:
2033                 if (mimeview_scroll_page(mimeview, FALSE))
2034                         return TRUE;
2035
2036                 mimeview_select_next_part(mimeview);
2037                 return TRUE;
2038
2039                 break;
2040         case GDK_BackSpace:
2041                 mimeview_scroll_page(mimeview, TRUE);
2042                 return TRUE;
2043         case GDK_Return:
2044         case GDK_KP_Enter:
2045                 mimeview_scroll_one_line(mimeview,
2046                                          (event->state & GDK_MOD1_MASK) != 0);
2047                 return TRUE;
2048
2049         case GDK_n:
2050         case GDK_N:
2051                 BREAK_ON_MODIFIER_KEY();
2052                 mimeview_select_next_part(mimeview);
2053                 return TRUE;
2054
2055         case GDK_p:
2056         case GDK_P:
2057                 BREAK_ON_MODIFIER_KEY();
2058                 mimeview_select_prev_part(mimeview);
2059                 break;
2060
2061         case GDK_y:
2062                 BREAK_ON_MODIFIER_KEY();
2063                 mimeview_save_as(mimeview);
2064                 return TRUE;
2065         case GDK_t:
2066                 BREAK_ON_MODIFIER_KEY();
2067                 mimeview_display_as_text(mimeview);
2068                 return TRUE;
2069         case GDK_l:
2070                 BREAK_ON_MODIFIER_KEY();
2071                 mimeview_launch(mimeview, NULL);
2072                 return TRUE;
2073         case GDK_o:
2074                 BREAK_ON_MODIFIER_KEY();
2075                 mimeview_open_with(mimeview);
2076                 return TRUE;
2077         case GDK_c:
2078                 BREAK_ON_MODIFIER_KEY();
2079                 mimeview_check_signature(mimeview);
2080                 return TRUE;
2081         case GDK_a:
2082                 BREAK_ON_MODIFIER_KEY();
2083                 mimeview_select_next_part(mimeview);
2084                 return TRUE;
2085         default:
2086                 break;
2087         }
2088
2089         if (!mimeview->messageview->mainwin) return FALSE;
2090         summaryview = mimeview->messageview->mainwin->summaryview;
2091         return summary_pass_key_press_event(summaryview, event);
2092 }
2093
2094 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2095 {
2096         MimeView *mimeview = (MimeView *)data;
2097         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2098
2099         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2100                           "pop_partinfo", partinfo);
2101         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2102                        NULL, NULL, NULL, NULL,
2103                        0, gtk_get_current_event_time());
2104         return TRUE;
2105 }
2106
2107 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2108 {
2109         GtkWidget *pixmap = NULL;
2110         GtkWidget *vbox;
2111         GtkWidget *button;
2112         gchar *tip;
2113         gchar *tiptmp;
2114         const gchar *desc = NULL;
2115         gchar *sigshort = NULL;
2116         gchar *content_type;
2117         StockPixmap stockp;
2118         MimeInfo *partinfo;
2119         MimeInfo *siginfo = NULL;
2120         MimeInfo *encrypted = NULL;
2121 #if !(GTK_CHECK_VERSION(2,12,0))
2122         GtkTooltips *tips = mimeview->tooltips;
2123 #endif
2124
2125         vbox = mimeview->icon_vbox;
2126         mimeview->icon_count++;
2127         button = gtk_event_box_new();
2128
2129         g_signal_connect(G_OBJECT(button), "visibility-notify-event",
2130                          G_CALLBACK(mimeview_visi_notify), mimeview);
2131         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2132                          G_CALLBACK(mimeview_visi_notify), mimeview);
2133         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2134                          G_CALLBACK(mimeview_leave_notify), mimeview);
2135         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2136                          G_CALLBACK(mimeview_enter_notify), mimeview);
2137
2138         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2139         g_object_set_data(G_OBJECT(button), "icon_number",
2140                           GINT_TO_POINTER(mimeview->icon_count));
2141         g_object_set_data(G_OBJECT(button), "partinfo",
2142                           mimeinfo);
2143
2144         switch (mimeinfo->type) {
2145
2146         case MIMETYPE_TEXT:
2147                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2148                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2149                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2150                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2151                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2152                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2153                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2154                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2155                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2156                 else
2157                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2158                 break;
2159         case MIMETYPE_MESSAGE:
2160                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2161                 break;
2162         case MIMETYPE_APPLICATION:
2163                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature"))
2164                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2165                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2166                         stockp = STOCK_PIXMAP_MIME_PDF;
2167                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2168                         stockp = STOCK_PIXMAP_MIME_PS;
2169                 else
2170                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2171                 break;
2172         case MIMETYPE_IMAGE:
2173                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2174                 break;
2175         case MIMETYPE_AUDIO:
2176                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2177                 break;
2178         default:
2179                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2180                 break;
2181         }
2182
2183         partinfo = mimeinfo;
2184         while (partinfo != NULL) {
2185                 if (privacy_mimeinfo_is_signed(partinfo)) {
2186                         siginfo = partinfo;
2187                         break;
2188                 }
2189                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2190                         encrypted = partinfo;
2191                         break;
2192                 }
2193                 partinfo = procmime_mimeinfo_parent(partinfo);
2194         }
2195
2196         if (siginfo != NULL) {
2197                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2198                 case SIGNATURE_UNCHECKED:
2199                 case SIGNATURE_CHECK_FAILED:
2200                 case SIGNATURE_CHECK_TIMEOUT:
2201                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2202                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2203                         break;
2204                 case SIGNATURE_OK:
2205                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2206                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2207                         break;
2208                 case SIGNATURE_WARN:
2209                 case SIGNATURE_KEY_EXPIRED:
2210                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2211                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2212                         break;
2213                 case SIGNATURE_INVALID:
2214                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2215                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2216                         break;
2217                 }
2218                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2219         } else if (encrypted != NULL) {
2220                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2221                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2222         } else {
2223                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2224                                                           OVERLAY_NONE, 6, 3);
2225         }
2226         gtk_container_add(GTK_CONTAINER(button), pixmap);
2227         if (!desc) {
2228                 if (prefs_common.attach_desc)
2229                         desc = get_part_description(mimeinfo);
2230                 else
2231                         desc = get_part_name(mimeinfo);
2232         }
2233
2234         content_type = procmime_get_content_type_str(mimeinfo->type,
2235                                                      mimeinfo->subtype);
2236
2237         tip = g_strjoin("\n", content_type,
2238                         to_human_readable((goffset)mimeinfo->length), NULL);
2239         g_free(content_type);
2240         if (desc && *desc) {
2241                 gchar *tmp = NULL;
2242                 if (!g_utf8_validate(desc, -1, NULL)) {
2243                         tmp = conv_filename_to_utf8(desc);
2244                 } else {
2245                         tmp = g_strdup(desc);
2246                 }
2247                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2248                 g_free(tip);
2249                 tip = tiptmp;
2250                 g_free(tmp);
2251         }
2252         if (sigshort && *sigshort) {
2253                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2254                 g_free(tip);
2255                 tip = tiptmp;
2256         }
2257         g_free(sigshort);
2258
2259         CLAWS_SET_TIP(button, tip);
2260         g_free(tip);
2261         gtk_widget_show_all(button);
2262         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2263                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2264 #ifndef MAEMO
2265         g_signal_connect(G_OBJECT(button), "popup-menu",
2266                          G_CALLBACK(icon_popup_menu), mimeview);
2267 #else
2268         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2269                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2270         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2271                          G_CALLBACK(icon_popup_menu), mimeview);
2272 #endif
2273         g_signal_connect(G_OBJECT(button), "button_release_event",
2274                          G_CALLBACK(icon_clicked_cb), mimeview);
2275         g_signal_connect(G_OBJECT(button), "key_press_event",
2276                          G_CALLBACK(icon_key_pressed), mimeview);
2277         g_signal_connect(G_OBJECT(button), "drag_data_get",
2278                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2279         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2280 #ifdef GENERIC_UMPC
2281         gtk_widget_set_size_request(vbox, -1, pixmap->requisition.height + 8);
2282         gtk_widget_set_size_request(button, -1, pixmap->requisition.height + 4);
2283 #endif
2284
2285 }
2286
2287 static void icon_list_clear (MimeView *mimeview)
2288 {
2289         GList     *child;
2290         GtkAdjustment *adj;
2291
2292         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2293         for (; child != NULL; child = g_list_next(child)) {
2294                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2295                                        GTK_WIDGET(child->data));
2296                 gtk_widget_destroy(GTK_WIDGET(child->data));
2297         }
2298         g_list_free(child);
2299         mimeview->icon_count = 0;
2300         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2301         gtk_adjustment_set_value(adj, adj->lower);
2302         gtk_adjustment_changed(adj);
2303 }
2304
2305 /*!
2306  *\brief        Used to 'click' the next or previous icon.
2307  *
2308  *\return       true if the icon 'number' exists and was selected.
2309  */
2310 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2311                                          GtkAllocation *size, MimeView *mimeview)
2312 {
2313         GtkAllocation *mainbox_size;
2314         GtkAllocation *vbox_size;
2315         GtkAllocation *layout_size;
2316         GtkAdjustment *adj;
2317
2318         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2319
2320         mainbox_size = &mimeview->icon_mainbox->allocation;
2321         vbox_size = &mimeview->icon_vbox->allocation;
2322         layout_size = &mimeview->icon_scroll->allocation;
2323
2324         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2325                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2326                             MAX(vbox_size->height, layout_size->height));
2327         adj->step_increment = 10;
2328 }
2329
2330 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2331 {
2332         GtkRequisition size;
2333
2334         g_return_if_fail(mimeinfo != NULL);
2335
2336         while (mimeinfo != NULL) {
2337                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2338                         icon_list_append_icon(mimeview, mimeinfo);
2339                 if (mimeinfo->node->children != NULL)
2340                         icon_list_create(mimeview,
2341                                 (MimeInfo *) mimeinfo->node->children->data);
2342                 mimeinfo = mimeinfo->node->next != NULL
2343                          ? (MimeInfo *) mimeinfo->node->next->data
2344                          : NULL;
2345         }
2346         gtk_widget_size_request(mimeview->icon_vbox, &size);
2347         if (size.width > mimeview->icon_mainbox->requisition.width) {
2348                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2349                                             size.width, -1);
2350         }
2351 }
2352
2353 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2354                                            MimeInfo     *mimeinfo)
2355 {
2356         GList *child;
2357
2358         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2359         for (; child != NULL; child = g_list_next(child)) {
2360                 if (!GTK_IS_EVENT_BOX(child->data))
2361                         continue;
2362                 if(g_object_get_data(G_OBJECT(child->data),
2363                                       "partinfo") == (gpointer)mimeinfo) {
2364                         gboolean *highlight = NULL;
2365                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2366                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2367                         *highlight = TRUE;
2368                         gtk_widget_queue_draw(icon);
2369                 } else {
2370                         gint *highlight = NULL;
2371                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2372                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2373                         *highlight = FALSE;
2374                         gtk_widget_queue_draw(icon);
2375                 }
2376         }
2377 }
2378
2379 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2380                                     MimeView *mimeview)
2381 {
2382         gtk_widget_ref(button);
2383
2384         mimeview_leave_notify(button, NULL, NULL);
2385
2386         mimeview->ctree_mode = !mimeview->ctree_mode;
2387         if (mimeview->ctree_mode) {
2388                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
2389                                         GTK_SHADOW_NONE);
2390                 gtk_widget_hide(mimeview->icon_mainbox);
2391                 gtk_widget_show(mimeview->ctree_mainbox);
2392                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2393
2394                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2395                                         button);
2396                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2397                                    button, FALSE, FALSE, 0);
2398                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
2399         } else {
2400                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
2401                               GTK_SHADOW_NONE);
2402                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2403                 gtk_widget_hide(mimeview->ctree_mainbox);
2404                 gtk_widget_show(mimeview->icon_mainbox);
2405                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2406
2407                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2408                                         button);
2409                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2410                                    button, FALSE, FALSE, 0);
2411                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2412                 if (mimeview->opened)
2413                         icon_list_toggle_by_mime_info
2414                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
2415                                                                        mimeview->opened));
2416
2417                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
2418         }
2419         gtk_widget_unref(button);
2420         return TRUE;
2421 }
2422
2423 void mimeview_update (MimeView *mimeview) {
2424         if (mimeview && mimeview->mimeinfo) {
2425                 icon_list_clear(mimeview);
2426                 icon_list_create(mimeview, mimeview->mimeinfo);
2427         }
2428 }
2429
2430 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2431 {
2432         MessageView *msgview = NULL;
2433         MainWindow *mainwin = NULL;
2434
2435         if (!cmd)
2436                 return;
2437
2438         msgview = mimeview->messageview;
2439         if (!msgview)
2440                 return;
2441
2442         mainwin = msgview->mainwin;
2443         if (!mainwin)
2444                 return;
2445
2446         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2447                           "pop_partinfo", NULL);
2448
2449         if (!strcmp(cmd, "sc://view_log"))
2450                 log_window_show(mainwin->logwin);
2451         else if (!strcmp(cmd, "sc://save_as"))
2452                 mimeview_save_as(mimeview);
2453         else if (!strcmp(cmd, "sc://display_as_text"))
2454                 mimeview_display_as_text(mimeview);
2455         else if (!strcmp(cmd, "sc://open_with"))
2456                 mimeview_open_with(mimeview);
2457         else if (!strcmp(cmd, "sc://open"))
2458                 mimeview_launch(mimeview, NULL);
2459         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2460                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2461                 icon_selected(mimeview, -1, (MimeInfo *)data);
2462         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2463                 mimeview_launch(mimeview, (MimeInfo *)data);
2464         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2465                 mimeview->spec_part = (MimeInfo *)data;
2466                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2467         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2468                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2469                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2470                 gtk_toggle_button_set_active(
2471                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2472                                 TRUE);
2473                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2474                                 QUICK_SEARCH_EXTENDED, buf);
2475                 g_free(buf);
2476         }
2477 }
2478
2479 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2480 {
2481         if (mimeview->type == MIMEVIEW_TEXT)
2482                 return textview_scroll_page(mimeview->textview, up);
2483         else if (mimeview->mimeviewer) {
2484                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2485                 if (mimeviewer->scroll_page)
2486                         return mimeviewer->scroll_page(mimeviewer, up);
2487         }
2488         return TRUE;
2489 }
2490
2491 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2492 {
2493         if (mimeview->type == MIMEVIEW_TEXT)
2494                 textview_scroll_one_line(mimeview->textview, up);
2495         else if (mimeview->mimeviewer) {
2496                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2497                 if (mimeviewer->scroll_one_line)
2498                         mimeviewer->scroll_one_line(mimeviewer, up);
2499         }
2500 }